Traders on the floor of the NYSE. (Photo by Spencer Platt/Getty Images)

Here are the stocks we’re tracking today:

Tesla (TSLA) shares are sinking after Jefferies initiated coverage at underperform, telling clients that Tesla will lose a quarter of its value. Jefferies analysts note that the electric car maker won’t be able to scale up as quickly as anticipated, setting a 12-month price target of $280, 27% below Monday’s close.

TSLA 2 day

Amazon (AMZN) announced that its web services will soon start charging customers by the second, rather than the hour, for use of its popular EC2 cloud computing service.

The e-commerce giant also announced a partnership with Kohl’s (KSS), in which certain merchandise bought from Amazon.com can be returned at Kohl’s stores.

Finally we’re watching Equifax (EFX) — the bad news keeps coming for the credit reporting agency. Equifax reportedly faced a breach of its computer systems in March, months before it previously admitted, according to Bloomberg. The stock is off about 1.75% on the news.

EFX 2 day

For more on today’s big movers, make sure you check out the Final Round, live at 3:55 p.m. ET, right here on Yahoo Finance.